package com.huawei.struts.dao;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.HibernateException;
import org.hibernate.LockMode;
import org.hibernate.Session;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.HibernateCallback;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.st.model.LjwAclentryT;
import com.st.model.LjwUserT;

/**
 * A data access object (DAO) providing persistence and search support for
 * LjwAclentryT entities. Transaction control of the save(), update() and
 * delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see com.st.model.LjwAclentryT
 * @author MyEclipse Persistence Tools
 */

public class LjwAclentryTDAO extends HibernateDaoSupport {
	private static final Log log = LogFactory.getLog(LjwAclentryTDAO.class);

	// property constants

	protected void initDao() {
		// do nothing
	}

	public void save(LjwAclentryT transientInstance) {
		log.debug("saving LjwAclentryT instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(LjwAclentryT persistentInstance) {
		log.debug("deleting LjwAclentryT instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public LjwAclentryT findById(com.st.model.LjwAclentryTId id) {
		log.debug("getting LjwAclentryT instance with id: " + id);
		try {
			LjwAclentryT instance = (LjwAclentryT) getHibernateTemplate().get(
					"com.st.model.LjwAclentryT", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(LjwAclentryT instance) {
		log.debug("finding LjwAclentryT instance by example");
		try {
			List results = getHibernateTemplate().findByExample(instance);
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding LjwAclentryT instance with property: "
				+ propertyName + ", value: " + value);
		try {
			String queryString = "from LjwAclentryT as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findAll() {
		log.debug("finding all LjwAclentryT instances");
		try {
			String queryString = "from LjwAclentryT";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public LjwAclentryT merge(LjwAclentryT detachedInstance) {
		log.debug("merging LjwAclentryT instance");
		try {
			LjwAclentryT result = (LjwAclentryT) getHibernateTemplate().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(LjwAclentryT instance) {
		log.debug("attaching dirty LjwAclentryT instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(LjwAclentryT instance) {
		log.debug("attaching clean LjwAclentryT instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static LjwAclentryTDAO getFromApplicationContext(
			ApplicationContext ctx) {
		return (LjwAclentryTDAO) ctx.getBean("LjwAclentryTDAO");
	}
	
	public int deleteAclentry(final int roleId) {
		Integer count = (Integer)getHibernateTemplate().execute(new HibernateCallback() {
			public Object doInHibernate(Session session)
					throws HibernateException, SQLException {
				
				  String sql = "delete from  LJW_ACLENTRY_T where ROLE_ID=?";
				  Connection conn = session.connection();    
				  PreparedStatement preparedStatement = conn.prepareStatement(sql);
				  preparedStatement.setInt(1, roleId);
				  int isSuccess=preparedStatement.executeUpdate();
				  conn.close(); 
				  preparedStatement.close();
				return new Integer(isSuccess);
			}
		});
		return Integer.parseInt(count.toString());
	}
	   

}